The most fun I've had in a movie theater in years. With any luck, Kiss Kiss, Bang Bang will pop up in the comedy categories when the Globe noms are announced Dec. 13. Robert Downey Jr. -- with luscious comic timing -- is a precious commodity in the movies. (Hey guy: keep off the smack for good.) Critics slapped KK,BB with lukewarm reviews because it's hopelessly meta, but they are vaccinated against enjoyment by virtue of their vocation. But I dare say Pauline Kael might've tee-hee'd.